Comscore Releases June 2010 U.S. Search Engine Rankings

RESTON, VA, July 13, 2010 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly Comscore qSearch analysis of the U.S. search marketplace. In June 2010, Americans conducted 16.4 billion core searches, up 3 percent vs. May.

June 2010 U.S. Core Search Rankings

Google Sites led the U.S. core search market in June with 62.6 percent of the searches conducted, followed by Yahoo! Sites (up 0.6 percentage points to 18.9 percent), and Microsoft Sites (up 0.6 percentage points to 12.7 percent). Both Yahoo! Sites and Microsoft Sites have experienced gains due in part to the continued utilization of contextual search approaches that tie content and related search results together. (For more detail on contextual searches, please read the following post on the Comscore Voices blog: http://blog.comscore.com/2010/06/changes_in_search_landscape.html)
Ask Network captured 3.6 percent of the search market, followed by AOL LLC with 2.2 percent.

* Based on the five major search engines including partner searches and
cross-channel searches. Searches for mapping, local directory, and
user-generated video sites that are not on the core domain of the five
search engines are not included in the core search numbers.

Americans conducted 16.4 billion searches in June, up 3 percent from May. Google Sites accounted for 10.3 billion searches (up 1 percent), followed by Yahoo! Sites with 3.1 billion (up 7 percent), Microsoft Sites with 2.1 billion (up 8 percent), Ask Network with 584 million (up 1 percent), and AOL LLC with 368 million (up 2 percent).

* Based on the five major search engines including partner searches and
cross-channel searches. Searches for mapping, local directory, and
user-generated video sites that are not on the core domain of the five
search engines are not included in the core search numbers.

June 2010 U.S. Expanded Search Rankings

In the June analysis of the top properties where search activity is observed, Google Sites led the search market with 14.6 billion search queries, followed by Yahoo! Sites with 3.2 billion queries and Microsoft Sites with 2.2 billion.

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Comscore, Inc.
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